[INFO] fetching crate xavax-avalanche 0.2.0...
[INFO] documenting xavax-avalanche-0.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate xavax-avalanche 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate xavax-avalanche 0.2.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xavax-avalanche 0.2.0
[INFO] finished tweaking crates.io crate xavax-avalanche 0.2.0
[INFO] tweaked toml for crates.io crate xavax-avalanche 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f4f2722e69a0cdcab3a0f8a157cb24df91cca497ecdd27920c4e5091b93ee1fd
[INFO] running `Command { std: "docker" "start" "-a" "f4f2722e69a0cdcab3a0f8a157cb24df91cca497ecdd27920c4e5091b93ee1fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4f2722e69a0cdcab3a0f8a157cb24df91cca497ecdd27920c4e5091b93ee1fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4f2722e69a0cdcab3a0f8a157cb24df91cca497ecdd27920c4e5091b93ee1fd", kill_on_drop: false }`
[INFO] [stdout] f4f2722e69a0cdcab3a0f8a157cb24df91cca497ecdd27920c4e5091b93ee1fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1db84fb3dfc952a951709ffb390652d579300a4f32882fca514146c56dec2d8b
[INFO] running `Command { std: "docker" "start" "-a" "1db84fb3dfc952a951709ffb390652d579300a4f32882fca514146c56dec2d8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking any_ascii v0.1.7
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]     Checking bech32 v0.8.1
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking lexical-sort v0.3.1
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]  Documenting xavax-avalanche v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.80s
[INFO] running `Command { std: "docker" "inspect" "1db84fb3dfc952a951709ffb390652d579300a4f32882fca514146c56dec2d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1db84fb3dfc952a951709ffb390652d579300a4f32882fca514146c56dec2d8b", kill_on_drop: false }`
[INFO] [stdout] 1db84fb3dfc952a951709ffb390652d579300a4f32882fca514146c56dec2d8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 0a0c49cd4191c0ea9e5572f1a0b7a4f1685692739195c0553c2217aff96040bf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0a0c49cd4191c0ea9e5572f1a0b7a4f1685692739195c0553c2217aff96040bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking any_ascii v0.1.7
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking bech32 v0.8.1
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking lexical-sort v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]  Documenting xavax-avalanche v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.99s
[INFO] running `Command { std: "docker" "inspect" "0a0c49cd4191c0ea9e5572f1a0b7a4f1685692739195c0553c2217aff96040bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a0c49cd4191c0ea9e5572f1a0b7a4f1685692739195c0553c2217aff96040bf", kill_on_drop: false }`
[INFO] [stdout] 0a0c49cd4191c0ea9e5572f1a0b7a4f1685692739195c0553c2217aff96040bf